You have an interesting way of rewording court decisions to fit your narrative.

Here's what MSFT was actually taken to trial for:

"monopoly position in the market for operating systems designed to run on Intel-compatible personal computers ("PCs"). Specifically, the plaintiffs contend that Microsoft violated § 2 of the Sherman Act by engaging in a series of exclusionary, anticompetitive, and predatory acts to maintain its monopoly power. "

Not "for Gates being rich." Now, his wealth may have put the spotlight on him, but that doesn't negate the court decision on his actions. I can lament that the only reason I was pulled over was because I drive a red Ferrari, but that doesn't mean that my speeding wasn't illegal.